Article in Summer DGJ by Sherman Bell. His research (using 450BPE) showed that the commonly used case fillers cause no significant pressure increases either 1" from breach or at bullet base in chamber.
I have always been concerned and this research erases those concerns on my part.
Bob Jurewicz

Hello,

I was given permission to post the article on the AccurateReloading forum from DGJ and Mr. Bell

http://forums.accuratereloading.com/eve/forums/a/tpc/f/760101804/m/3971092851

Enjoy,
Nitro